Cummins Standby Generators

our search for a trustworthy backup generator ends right here with our generator dealership. Grasten Power Technologies is proud to provide you with a rich selection of Cummins backup generators, which are sure to give you the durable, reliable power you need for your home during a power outage. Cummins generators are one of the most trusted brands in the industry, and it is easy to see why once you try one out.

Cummins Generators – The Smart Choice

Come and speak to the team at our dealership to learn more about the different Cummins backup generators we have available. Our team is ready to sell and install these great systems to residential and commercial customers located throughout the communities of Magnolia, Houston, The Woodlands, Conroe, and Spring, Texas, as well as the surrounding areas.

Residential Generators

Learn why residential standby generators make good sense.

Cummins Residential Standby Generators

Brochure provides an overview of model and options.

Quiet Connect™ Series

Available in 22-40 kW, ideal for medium to large homes, featuring quiet operation.

Power Connect™ Series

Available in 30-60 kW, features a unique enclosure design and robust performance for extreme weather.

Connect™ Series Accessories

Optional accessories designed by Cummins for Connect™ Series generators.

Estimate Your Power Needs

Use our online tool to help estimate your residential power needs.

Official Cummins Residential Generators website

Learn more about backup generators for your home.

Air Cooled Series

Unique design available in 13-20 kW, internet remote monitoring, easy to install and quiet operation.

Liquid Cooled Series

Comprehensive back up power in 45-100 kW, liquid cooled generators with proven performance.

Cummins Quiet Connect 20kW Home Standby Generator | RS20A

Our Most Popular Packages

Protect Your Bottom Line. Gain A Competitive Edge.

Cummins engines are synonymous with power and performance, and their standby generators measure up to the same quality.

Are you prepared?

2017

HURRICANE HARVEY

In August 2017 Hurricane Harvey landed in Houston and caused over 126 Billon in damage

500,000

WITHOUT POWER

It left over 500,000 homes without power in the Greater Houston area (Compared to 2.1 million for Hurricane Ike)

2017

UNTIL RESTORATION

Power restored to 400,000 within 2 weeks, and 500,000 by day 30.

What our customers are saying

    
 
 
      Posted on Google  
   
   Paul Rachman 
 3 October 2024
 
 
 Trustindex verifies that the original source of the review is Google. Your technician Carlos was pleasant, personable, meticulous, efficient, professional.
I would like to request that he services my Generator from now on. Thank you.
  
 
     Posted on Google  
   
   Richard Bartel 
 20 July 2024
 
 
 Trustindex verifies that the original source of the review is Google. Steven arrived repaired my generator and explained to me that the controller needed to be replaced, he was thorough explaining the work he performed
  
 
     Posted on Google  
   
   Joseph Nayfach 
 9 December 2025
 
 
 Trustindex verifies that the original source of the review is Google. Great company!
  
 
     Posted on Google  
   
   Dawn Hart 
 5 June 2024
 
 
 Trustindex verifies that the original source of the review is Google. Very service friendly company and Steve was very professional.  I am very happy with everything overall.  They have gone out of their way for me since Day one and communication is made easy.
  
 
     Posted on Google  
   
   Mash Ameri 
 25 September 2019
 
 
 Trustindex verifies that the original source of the review is Google. Excellent customer service and knowledgeable staff. Reliable and fair prices best describes this company.
  
 
     Posted on Google  
   
   Gerri Shepardson 
 5 October 2024
 
 
 Trustindex verifies that the original source of the review is Google. Dennis did a great job answering all our questions, explained in detail what he was doing and what to expect in the future. Found him extremely knowledgeable. Very happy with how we were treated and with the service that Grasten Power Technologies provides.
  
 
     Posted on Google  
   
   John Goodwin 
 18 April 2023
 
 
 Trustindex verifies that the original source of the review is Google. The Rep's were very polite and got the job done on time.
  
 
     Posted on Google  
   
   Heather Koeniger 
 16 July 2026
 
 
 Trustindex verifies that the original source of the review is Google. Adam was very thorough and explained the issue. He did a great job
  
 
     Posted on Google  
   
   Sheila Cook 
 5 July 2024
 
 
 Trustindex verifies that the original source of the review is Google. David our Tech was very professional and knowledgeable.
  
 
     Posted on Google  
   
   Tom Kinsley 
 31 July 2026
 
 
 Trustindex verifies that the original source of the review is Google. Would like to give a huge thank you to Tyler for coming out not only once, but twice to our home (and on his own time during the evening), the install team, Emily for the great communication and scheduling and Texas Ed for going through the setup process.

Very highly recommend the Grasten team on your future Generac install!
  
 
 
  
 
 
   Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more